Before any street is improved or paved, the Borough Clerk shall give notice to all persons owning property abutting on the street, and to all public utilities and authorities operating in the Borough, that the street is about to be paved or improved. All connections and repairs to utilities in the street and all other work which requires excavation of the street shall be completed within 30 days from the receipt of notice. The time for the completion of the work maybe extended in writing by the Superintendent of Public Works upon application by the person performing the work. This section shall not excuse any person from the requirement of obtaining a permit as provided in Article
V, Street Excavations.